1557366921

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{1430089}}^1$

素因数の和:1430117

約数の個数: 18

約数和(自身を含む): 2472625610

約数和(自身を除く): 915258689

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 1430089, 4290267, 12870801, 15730979, 47192937, 141578811, 173040769, 519122307, 1557366921]

約数ペア:

[(1, 1557366921), (3, 519122307), (9, 173040769), (11, 141578811), (33, 47192937), (99, 15730979), (121, 12870801), (363, 4290267), (1089, 1430089)]